Answer:
14
Step-by-step explanation:
The GCF of 42 and 56 is 14. To calculate the GCF of 42 and 56, we need to factor each number (factors of 42 = 1, 2, 3, 6, 7, 14, 21, 42; factors of 56 = 1, 2, 4, 7, 8, 14, 28, 56) and choose the greatest factor that exactly divides both 42 and 56, i.e., 14.
